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Syzygy endgame tablebases

Black is losing with DTZ 104

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KBNNNvKB.pgn

Histogram: KBNNN winning vs. KB (log scale)

⋮

Longest KBNNNvKB phases

KBNNNvKB statistics

532,737,781,503 (97.8%)
37,282,443 (0.0%)
11,872,983,042 (2.2%)
7,427,376 (0.0%)
KBNNNvKB.json (?)